Holding(s) in Company

Cookson Group PLC
05 September 2002

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1) Name of company

COOKSON GROUP PLC

2) Name of shareholder having a major interest

FRANKLIN RESOURCES, INC.

3) Please state whether notification indicates that it is in respect of
holding of the shareholder named in 2 above or in respect of a
non-beneficial interest or in the case of an individual holder if it is a
holding of that person's spouse or children under the age of 18

AS ABOVE

4) Name of the registered holder(s) and, if more than one holder, the
number of shares held by each of them

BANKERS TRUST COMPANY (220,981 SHARES)
BANK OF NEW YORK NOMINEES (41,390 SHARES)
CHASE NOMINEES LIMITED (47,387,777 SHARES)
CLYDESDALE BANK (4,746,130 SHARES)
DEUTSCHE BANK AG (150,372 SHARES)
MERRILL LYNCH (2,296,001 SHARES)
ROYAL TRUST CORP OF CANADA (12,059,464 SHARES)
STATE STREET (2,200,082 SHARES)

5) Number of shares/amount of stock acquired

NOT DISCLOSED (SEE PARA 14 BELOW)


6) Percentage of issued class

NOT DISCLOSED

7) Number of shares/amount of stock disposed

N/A


8) Percentage of issued class

N/A


9) Class of security

ORDINARY SHARES OF 1 PENCE EACH

10) Date of transaction

4 SEPTEMBER 2002

11) Date company informed

5 SEPTEMBER 2002

12) Total holding following this notification

69,102,197 SHARES

13) Total percentage holding of issued class following this notification

3.65%

14) Any additional information

CHANGE IN HOLDINGS PRIMARILY DUE TO TAKE UP OF RIGHTS AND INCREASE IN SHARE
CAPITAL FIGURE


15) Name of contact and telephone number for queries

ALAN WALLWORK, ASST COMPANY SECRETARY, COOKSON GROUP PLC - TEL: [phone]


16) Name and signature of authorised company official responsible for
making this notification

ALAN WALLWORK, ASST COMPANY SECRETARY, COOKSON GROUP PLC



Date of notification 5 SEPTEMBER 2002


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